Imperfect debugging and learning process exist in most software testing processes which usually reflect the actual cost in software testing process.

绝大多数的软件测试存在着不完全排错和学习过程等现象，这些现象通常反映了实际测试的成本使用情况。

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Meanwhile, perfect debugging and imperfect debugging in the test process are also considered, and a new NHPP model with respect to test efficiency is proposed.

同时，考虑到软件排错过程中新错误的引入和错误的不完全排除等情况，提出了一种考虑测试效率的可靠性模型。

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